Home / 26,650.63-39,972.30-7,933.56

Finding the Fourth Proportional to 26,650.63, 39,972.30 and 7,933.56

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Solution

The fourth proportional to 26,650.63, 39,972.30 and 7,933.56 is: 11,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.63 : 39,972.30 = 7,933.56 : x
  2. Step 2: Convert to fraction form
    26,650.63/39,972.30 = 7,933.56/x
  3. Step 3: Cross multiply
    26,650.63x = 39,972.30 × 7,933.56
  4. Step 4: Simplify right side
    26,650.63x = 317,122,640.39
  5. Step 5: Solve for x
    x = 317,122,640.39/26,650.63
  6. Step 6: Final answer
    x = 11,899.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.